Answer:
31
Step-by-step explanation:
Simplifying the expressions:
14.
i.e. = and = 2 and -1.
15.
i.e. = = -3
16.
i.e. = and = -1 and
17.
i.e. =
18.
19.
20.
i.e. = and = -4 and 1.
C is correct
Comparing the to equation with slope intercept form:
The second equation has the greatest slope, which is indicating that the line is steeper.